Lightweight and: With a size of 7.7cm and a weight of only 26g, it is light weight and small size, easy to carry and store, and very suitable for professional such as maintenance technicians and mechanics to use Multifunctional compatibility: suitable for most standard butter, providing flexible usage option to meet different demand occasion, such as automotive, mechanical, home appliance maintenance, and more Stainless steel: Crafted from stainless steel, it is corrosions-resistant and wear-resistant, ensuring long time use in various working environment and not easily rusted or damaged Accurate allocation: needle nozzle design makes butter injections more precise, making it easy for users to apply butter in small space and complex locations, effectively improving work efficiency Easy to use: The installation and disassembly process is simple, without the need for additional tool, allowing users to quickly use, save time, and improve work efficiency, Manufacturer: ERRORY